The lump is usually located underneath the nipple and areola (the circle of dark-coloured skin surrounding the nipple).
However, the vast majority of breast lumps are caused by a condition called gynaecomastia. This is a common non-cancerous condition where male breast tissue becomes enlarged.
Less common symptoms of male breast cancer include:
Additional symptoms usually only develop if the cancer spreads from the breast to other parts of the body, such as the bones, liver or lungs. This is known as metastatic breast cancer.
Symptoms of metastatic breast cancer include:
You should always visit your doctor if you notice a lump in your breast or you have problems affecting your nipples, such as retraction, ulceration or discharge.
These problems are unlikely to be of the result of breast cancer, but they should be investigated further.
Read More ON:
Breast Lumps
Causes of Breast Lumps
Diagnosing Breast Lump
Treating Breast Lump
Breast Cancer
Symptoms of Breast Cancer
Causes of Breast Cancer
Diagnosing Breast Cancer
Treating Breast Cancer
Preventing Breast Cancer
Living with Breast Cancer
Breast Cancer Screening
Source: NHS UK
http://www.nhs.uk/Conditions/Cancer-of-the-breast-male/Pages/Symptoms.aspx